[ _ ] Document an accurate 3D geometric model of the components within the building
[ _ ] Record the location and attributes of equipment in the building
[ _ ] Document the as-constructed system functional attributes
Description:
A 3D model which contains an accurate depiction of the physical conditions and environment of a facility and its assets. This has potential to contain information regarding not only the main architectural and MEP elements, but equipment and asset information as well. Furthermore, with the continuous improvement of the record model and the capability to store more information, the model contains a true depiction of space with a link to information such as serial codes, warranties and maintenance history of all the components in the building. Moreover, the record model also contains information linking pre-build specification to as-built specifications. This allows the owner to monitor the project relative to the specifications provided.
Potential Benefits:
Aids in future modeling and 3D design coordination for renovation (Trial and Error elimination).
Provides documentation of environment for future uses, e.g., renovation or historical documentation.
Aids in the permitting process, e.g., continuous change (buildings are dynamic) VS. specified code.
Dispute elimination e.g., link to contract with historical data highlights expectations and comparisons drawn to final product.
Solid understanding of project sequencing by stakeholders leads to reduced project delivery times, risk, cost and law suits.
Levels of Detail Considerations:
Extent of the existing facility and environment that you wish to model, e.g., modeling the exterior enclosure of the buildings, modeling all the interior spaces, modeling the detailed MEP systems. Optimized 4D BIM rendering which holds: Make, Unit, Serial numbers, warranty and running unit cost (extreme) over time.
Team Competencies Required:
3D Model manipulation
BIM model application knowledge for facility updates
Thorough understanding of site processes (ensures correct input)
Potential Modeling Methods:
Measuring by person followed by modeling within a 3D or BIM modeling application
3D Laser scanning, potentially followed by conversion of the corresponding 3D point cloud to an information rich BIM
Revit Modeling software from Autodesk
Bentley Architecture by Bentley
Characteristics in Order to Substantiate BIM Use:
Project - Any project would potentially find the utilization of the Record Model an effective method of keeping track of all their components. However, I believe this would be more effective in an industrial/commercial environment where there are many types of components that may affect their profitability, such as in a Data Centre where all the AC units have to continuously run at optimal conditions to ensure the safety of servers etc. The Record Model would indicate what component is not functioning and what the warranty on the component may produce. This could be a cost effective management tool of all building components. This may not be worth while in residential and some simple commercial buildings. Organization - A high level of Organization between all parties must be achieved to reach the necessary level of detail in the model to ensure all components and records are stored in the right place. The Owner/ Architect must ensure that the Contractor along with all the Sub-contracts (especially MEP and specialized contractors) include in the models all the information required to pass on the model to the owner to substantiate the utilization of the information. Furthermore, the rights of the model (in order to update and edit) must be handed to the owner as the Record Model may need continuous updates as time and changes proceed in the project. Environment - as described the Record Model would be the most useful in a very component dense environment, where the management of all these components may provide a high level of cost efficiency for the owner to run. However, it could be used in any environment if the owner requires all information about the specifics of the building/ project to be imbedded within the model. Contract - Since it is the responsibility of all the project members to input data into the model, it will have to be contractually indicated who is specifically required to model what and in a specific level of detail. Furthermore, the passing on of the model to the owner may have to be indicated in contract with all the necessary members specifically identified ( Model holder, Model updater) and with their responsibilities noted. Process - This is going to be integral and continuously updated throughout the whole design process until the design is complete, since it would be easier to edit certain aspect that may have changed the model everything from start to finish at the end of the core design. The adding of the information to be imbedded will flow with the project from start to finish.
Potential Outputs:
3D geometric model with additional attribute data, possibly in IFC format
2D drawings
2D Model snap shots
Legal / Commitment Considerations:
Guarantee of accuracy may be a significant concern, particularly if there are small tolerances for future object installations
As surrounding information (External buildings etc.) changes becomes very hard to redefine and correct design components due to the scale of the model
Goal: Record Model
Phase(s): Operations
Objective:
[ _ ] Document an accurate 3D geometric model of the components within the building[ _ ] Record the location and attributes of equipment in the building
[ _ ] Document the as-constructed system functional attributes
Description:
A 3D model which contains an accurate depiction of the physical conditions and environment of a facility and its assets. This has potential to contain information regarding not only the main architectural and MEP elements, but equipment and asset information as well. Furthermore, with the continuous improvement of the record model and the capability to store more information, the model contains a true depiction of space with a link to information such as serial codes, warranties and maintenance history of all the components in the building. Moreover, the record model also contains information linking pre-build specification to as-built specifications. This allows the owner to monitor the project relative to the specifications provided.Potential Benefits:
Levels of Detail Considerations:
Team Competencies Required:
Potential Modeling Methods:
Characteristics in Order to Substantiate BIM Use:
Project - Any project would potentially find the utilization of the Record Model an effective method of keeping track of all their components. However, I believe this would be more effective in an industrial/commercial environment where there are many types of components that may affect their profitability, such as in a Data Centre where all the AC units have to continuously run at optimal conditions to ensure the safety of servers etc. The Record Model would indicate what component is not functioning and what the warranty on the component may produce. This could be a cost effective management tool of all building components. This may not be worth while in residential and some simple commercial buildings.Organization - A high level of Organization between all parties must be achieved to reach the necessary level of detail in the model to ensure all components and records are stored in the right place. The Owner/ Architect must ensure that the Contractor along with all the Sub-contracts (especially MEP and specialized contractors) include in the models all the information required to pass on the model to the owner to substantiate the utilization of the information. Furthermore, the rights of the model (in order to update and edit) must be handed to the owner as the Record Model may need continuous updates as time and changes proceed in the project.
Environment - as described the Record Model would be the most useful in a very component dense environment, where the management of all these components may provide a high level of cost efficiency for the owner to run. However, it could be used in any environment if the owner requires all information about the specifics of the building/ project to be imbedded within the model.
Contract - Since it is the responsibility of all the project members to input data into the model, it will have to be contractually indicated who is specifically required to model what and in a specific level of detail. Furthermore, the passing on of the model to the owner may have to be indicated in contract with all the necessary members specifically identified ( Model holder, Model updater) and with their responsibilities noted.
Process - This is going to be integral and continuously updated throughout the whole design process until the design is complete, since it would be easier to edit certain aspect that may have changed the model everything from start to finish at the end of the core design. The adding of the information to be imbedded will flow with the project from start to finish.
Potential Outputs:
Legal / Commitment Considerations:
Additional Resources:
1. http://www.bimforum.org/index.php?option=com_content&task=view&id=19#Q62. http://bentleybim.wordpress.com/2007/11/13/bentleys-bim-preferred-58-to-revit-38-executive-briefing/
3.http://continuingeducation.construction.com/article.php?L=19&C=213&P=1
4. http://www.aecbytes.com/buildingthefuture/2006/Expotitions_meeting.html
General Description:
1. FAQ page about BIM and basic principles.2. Bentleys Executive Briefing session, question and answer relating to BIM development and comparison to Revit.
3. ENR article describing integrated BIM in design for safer and better buildings.
4. AEC article on Use of BIM by facility Owners: An "Expotition" Meeting.
Quantitative Studies:
Bentley survey: Industry preferred Bentley over Revit (58%>38%)Case Study Examples:
Software Applications: